feat(docker): add cross arch docker image build feature

[achrefbensaad]

Purpose of PR?:
The ability to cross build images for multiple CPU architectures.

Does this PR introduce a breaking change? No

If the changes in this PR are manually verified, list down the scenarios covered::

@Ankurk99 verified that the images works fine on his Rasbery Pi

Additional information for reviewer? :

• When add KubeArmor ARM64 support #802 is meged, we have only to add linux/arm64/v8 in push_images and compatible images for each architecture will be built
• Stable image hash no longer equal to latest image hash due to limitations in the buildx toolkit.
• Added automatic builds for controllers

Checklist:

• Bug fix. Fixes #
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• PR Title follows the convention of <type>(<scope>): <subject>
• Commit has unit tests
• Commit has integration tests

[codecov-commenter]

Codecov Report

Merging #973 (98c7331) into main (7fdfe6d) will decrease coverage by 0.15%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##             main     #973      +/-   ##
==========================================
- Coverage   39.35%   39.19%   -0.16%     
==========================================
  Files          31       31              
  Lines        9843     9898      +55     
==========================================
+ Hits         3874     3880       +6     
- Misses       5461     5505      +44     
- Partials      508      513       +5     

Impacted Files	Coverage Δ
KubeArmor/enforcer/appArmorTemplate.go	100.00% <ø> (ø)
KubeArmor/feeder/feeder.go	53.27% <0.00%> (+0.78%)	⬆️
KubeArmor/feeder/policyMatcher.go	41.50% <30.00%> (-0.10%)	⬇️
KubeArmor/monitor/systemMonitor.go	49.87% <60.00%> (+0.37%)	⬆️
KubeArmor/enforcer/appArmorProfile.go	58.39% <65.71%> (+0.44%)	⬆️
KubeArmor/enforcer/appArmorEnforcer.go	48.68% <100.00%> (+0.49%)	⬆️
KubeArmor/core/containerdHandler.go	57.67% <0.00%> (-11.24%)	⬇️
KubeArmor/enforcer/bpflsm/enforcer.go	0.00% <0.00%> (ø)
KubeArmor/enforcer/bpflsm/enforcer_bpfel.go	0.00% <0.00%> (ø)
... and 2 more

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